US6321902B1 - Method for dividing the flow of signatures - Google Patents

Method for dividing the flow of signatures Download PDF

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Publication number
US6321902B1
US6321902B1 US09/463,963 US46396300A US6321902B1 US 6321902 B1 US6321902 B1 US 6321902B1 US 46396300 A US46396300 A US 46396300A US 6321902 B1 US6321902 B1 US 6321902B1
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US
United States
Prior art keywords
cam
conveyor belts
cams
guide
radius
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
US09/463,963
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English (en)
Inventor
Rudolf Stäb
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koenig and Bauer AG
Original Assignee
Koenig and Bauer AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Koenig and Bauer AG filed Critical Koenig and Bauer AG
Assigned to KOENIG & BAUER AKTIENGESELLSCHAFT reassignment KOENIG & BAUER AKTIENGESELLSCHAFT ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: STAB, RUDOLF
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/12—Delivering or advancing articles from machines; Advancing articles to or into piles by means of the nip between two, or between two sets of, moving tapes or bands or rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/58—Article switches or diverters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/20—Belts
    • B65H2404/26—Particular arrangement of belt, or belts
    • B65H2404/261—Arrangement of belts, or belt(s) / roller(s) facing each other for forming a transport nip
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/60—Other elements in face contact with handled material
    • B65H2404/63—Oscillating, pivoting around an axis parallel to face of material, e.g. diverting means
    • B65H2404/632—Wedge member
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/19—Specific article or web
    • B65H2701/1932—Signatures, folded printed matter, newspapers or parts thereof and books

Definitions

  • the invention relates to a device for rerouting signatures clamped between first and second conveyor belts.
  • a guide wedge system extends transversely to the conveying direction of the conveyor belts.
  • the conveyor belts ride on different conveying tracks.
  • a device for dividing a flow of signatures into two partial flows is known from EP 0 254 037 A1. This is accomplished in that conveyor belts, between which the signatures are clamped, respectively rest against the circumference of two oppositely disposed control rollers, which are eccentrically and rotatably seated.
  • the two control rollers oscillate in a timed manner and alternatingly push the signatures via the conveyor belts against a deflection edge of a guide wedge. From there, they reach a first, or respectively a second conveying track.
  • DE-PS 1 223 682 a device for sorting sheets of paper or the like, which are guided between conveyor belts, is known from DE-PS 1 223 682, wherein one of two conveying tracks is selectively blocked. This is accomplished in that a deflection member pushes the conveyor belts against a guide face of a guide wedge. At that time, the second conveying track is open.
  • DE 3210 C discloses a sheet distributor by means of belt systems and a wedge arranged between them. This wedge is pivotably arranged as a shunt between belts of the belt system.
  • the object of the present invention is based on providing a device for rerouting signatures in a flow of signatures into two partial flows on two conveying tracks.
  • first and second conveyor belts which clamp the signatures and move them in a conveying direction from an infeed conveying track to a first conveying track and a second conveying track.
  • a guide wedge extends transversely to the conveying direction and has upper and lower guide surfaces. The belts move on different conveying tracks which are typically formed on the guide surfaces of the guide wedge.
  • the advantages to be achieved by the present invention consist, in particular, in that the front edges of the signatures do not push against the deflection edge of the guide wedge, where they could cause a pile-up in this way.
  • the service life of the conveyor belts is increased, because they need not drive any control rollers.
  • the base circle of at least one of the two cam disks, or respectively cam rollers, having the radius r 1 , or respectively r 4 , on which the high cams have been placed has a multiply larger diameter with several taller cams than the other cam roller arranged opposite it and working together with it. Only slightly harmful displacement forces between the inner and outer layers of the signatures are then created in the course of deflecting, i.e. during the directional change of the signatures.
  • FIG. 1 a schematic side elevation view of a device for rerouting signatures in a flow of signatures in accordance with the present invention in a first work position and releasing a first conveying track for the signatures,
  • FIG. 2 a schematic side elevation view of the device of FIG. 1, but in a second work position and releasing a second conveying track for the signatures,
  • FIG. 3 an enlarged view taken along line III—III in FIG. 1, and in
  • FIG. 4 an enlarged view taken along line IV—IV in FIG. 2 .
  • the device for dividing the flow of signatures in accordance with the present invention consists essentially of a first cam roller or cam row 1 , with one or a plurality of transversely spaced cams, each defining high cams 20 , 21 , 22 and low cams 17 , and a second cam roller or cam row 2 , with one or a plurality of transversely spaced cams, each defining high cams 25 , 26 , 27 and low cams 30 , 31 , 32 , all as seen in FIGS. 1 and 2 which are arranged meshing or interdigitating and revolving with each other and which are axis-parallel with each other. It will be understood that each cam on each cam row has a high cam segment and a low cam segment and that these segments are circumferentially spaced on each cam.
  • Conveyor belts of two driven conveyor belt systems 3 , 4 run between the oppositely located cams of the cam rows 1 , 2 and rest against the circumferences of the cams in these two cam rows 1 and 2 .
  • Each of the conveyor belt systems 3 , 4 consists of several conveyor belts.
  • Signatures 6 , 7 are clamped between the conveyor belts of the conveyor belt systems 3 , 4 in the following alternating sequence: signature 6 —signature 7 —signature 6 —signature 7 —and they reach an entry wedge area 8 between the oppositely located cams of the two cam rows 1 , 2 .
  • the signatures 6 , 7 had previously been created in a known manner by transverse cutting of a paper strand. They can be folded or not folded.
  • the conveyor belts of the conveyor system 3 , 4 which may be referred to as conveyor belts 3 , 4 together enter a gap 9 in the entry wedge between the cams of the cam rows 1 , 2 , in a signature infeed conveying track and thereafter separate at an acute opening angle ′ of, for example, 10° and continue to run in separate first and second or upper and lower conveying tracks 51 , 52 , respectively.
  • the conveyor belts 3 , 4 form an outlet wedge 11 downstream of the gap 9 .
  • the conveyor belts 3 , 4 are conducted over guide rollers, not represented, to processing stations, longitudinal folding devices, etc.
  • the first, upper cam row 1 has alternatingly one or several low cams 17 with a respectively small radius r 1 and a low control surface 18 , as seen in FIG. 3 on its circumference, as well as one or several higher cams 20 , or respectively 21 , or respectively 22 , with a large radius r 2 and a high control surface 23 , as may be seen in FIG. 4 .
  • a stroke distance b 1 between the low and the high control surfaces 18 , 23 of the low cams 17 and the high cams 20 , 21 , 22 respectively of the first, upper cam roll 1 can extend between two and six millimeters.
  • a stroke distance b 2 between the low control surfaces 33 of the low cams 30 , 31 , 32 , and the high control surfaces 28 of the high cams 25 , 26 , or 27 of the second cam row 2 correspondingly can also be between two and six millimeters.
  • the cam row 1 can be designed in different ways, for example, it can consist of a tube-shaped roller with high cams 20 , 21 , 22 , which are spaced apart from each other and which extend in a strip-shape in the circumferential direction, or it can have several cam disks, which are spaced apart at a distance a 1 from each other and are which kept apart by spacers 34 , for example.
  • the second cam row 2 can be designed in accordance with the same structural principles as the first cam row 1 , but has a reduced diameter.
  • the second cam row 2 which may be, for example ring-shaped, has high cams 25 , or respectively 26 , or respectively 27 , which are spaced apart at a clear distance a 2 , extend in the circumferential direction, and have a respective radius r 3 and a high control surface 28 , and low cams 30 , 31 , 32 , which respectively adjoin the high cams 25 to 27 in the circumferential direction of the roller 2 and have a low radius r 4 and respectively low control surfaces 33 .
  • the cam rows 1 , 2 can also consist of a roller with circumferential annular grooves which is circular in cross section, but which is eccentrically seated.
  • a guide wedge 13 which fixed in place on a frame and having an upper guide surface 14 and a lower guide surface 16 , is provided.
  • the guide wedge extends opposite the conveying direction of the conveyor belts 3 , 4 with its cutter-shaped deflection edge 12 , or respectively its thin end 10 .
  • the cutter-shaped deflection edge on the thin end 10 can be designed with a sharp edge, but can also be rounded.
  • the guide wedge 13 can consist for example—viewed in the axial direction of the cam roller 1 , 2 —of several spaced apart individual guide wedges 37 , 38 , 39 , 40 , but can also be designed comb-like with “teeth” and free spaces between them.
  • the thin ends 10 of the guide wedge 13 , or respectively the individual guide wedges 37 to 40 are respectively located between the axially adjoining cams 20 , 21 , 22 .
  • the low cams 17 with the low control surface 18 of the first cam row 1 respectively act together with the high cams 25 , 26 , 27 with the high control surface 28 of the second cam row 2 , as well as with the respective conveyor belts 3 , 4 resting against them, i.e. they mesh with each other.
  • the high cams 20 , 21 , 22 with the high control surface 23 of the first cam row 1 work together with the low cams 30 , 31 , 32 with the low control surface 33 of the second cam row 2 , and vice versa.
  • Respective conveyor belts 3 , 4 rest on their control surface.
  • the signatures 6 traverse a free space above the upper guide surface(s) 14 of the guide wedge 13 as seen in FIGS. 1 and 3, or respectively a free space below the lower guide surface(s) 16 (FIGS. 2 and 4) of the individual guide wedges 37 , 38 , 39 , 40 , as shown in FIGS. 2 and 4.
  • the individual guide wedges 37 to 40 are fastened, spaced apart in respect to each in the axial direction of the cam rollers 1 , 2 , on a cross bar 44 , which is fixed in place on the lateral frame, and which is shown in FIG. 1 .
  • the individual wedges 37 to 40 are fastened in an interlocking manner, or connected because they are of the same material, comb-like with their thick ends 15 on the cross bar, or respectively cross beam 44 , which is fixed in place on the lateral frame.
  • the conveyor belts 3 , 4 are then pushed, in a timed manner by the high cams 20 to 22 , or respectively 25 to 27 , into the free gaps 42 , or respectively 43 , between or next to the individual guide wedges 37 to 40 .
  • the conveyor belts 3 , 4 dip with their entire thickness d, or with only a portion thereof, into these gaps 42 or 43 .
  • the respective high control surface 23 of the high cams 20 to 22 pushes the upper conveyor belt 3 resting against it over its entire or partial thickness d into a free space between two “guide teeth” of the guide wedge 13 , which is designed in the shape of a comb, or respectively between two individual guide wedges 37 to 40 , or one to the left or the right of these.
  • the upper conveyor belt 3 moves, with its entire or partial thickness, through the free space enclosed in the virtual extension, as viewed in the axial direction of the cam row 1 , or respectively 2 , by the upper guide surface 14 and the lower guide surface 16 . This occurs in a meshing way from the direction of the lower guide surface 16 up past the upper guide surface 14 .
  • the virtual extension of the lower guide surface 16 as viewed in the axial direction of the cam row 1 , or respectively 2 —partially or completely intersects the movement track of the conveyor belt 3 seated on the high cams 20 , 21 , 22 .
  • the insertion of the signatures 7 into the lower conveying track 52 is achieved by this, as is depicted in FIG. 2 .
  • the respective guide surfaces 14 , 16 of the individual guide wedges 37 to 40 are designed to be flat.
  • the guide surfaces, and in particular the portions of the guide surfaces 14 , 16 of the individual guide wedges 37 to 40 located in the vicinity of the deflection edge 12 are respectively concavely curved.
  • conveyor belts 46 , 47 are arranged in addition to the conveyor belts 3 , 4 and cooperate with them. These conveyor belts 46 , 47 are respectively guided around reversing rollers 48 , 49 . They constitute the continuation of the conveying tracks 51 , or respectively 52 .
  • the first cam row here the first cam row 1 —, on which the flow of signatures 6 and 7 is first moved, has a whole number multiple of cams in comparison with the second cam row 2 working together with it, for example 6 cams to 2 cams.
  • this step it is possible to reroute thicker signatures 6 without harmful displacement forces between the inner and outer layers of the signature 6 occurring.
  • the virtual extension of the upper guide surface 14 viewed in the axial direction of the cam row 1 , or respectively 2 —towards the left and right is defined as virtual guide surface 19 , as seen in FIG. 1 .
  • the virtual extension of the lower guide surface 16 viewed in the axial direction of the cam roller 1 , or respectively 2 —towards the left and right is defined as virtual guide surface 24 .
  • This lower vertical guide surface 24 is also shown in FIG. 1 .
  • the device for dividing the flow of signatures in accordance with the present invention operates as follows: the signatures 6 , 7 , which are clamped between the conveyor belts 3 , 4 , are fed to the entry wedge 8 . These signatures 6 , 7 are alternatingly distributed onto the first and second conveying tracks 51 , 52 . In the course of this, because of the position of the first cam row 1 with the low control surface 18 of the low cam 17 , respectively one signature, for example a signature 6 , is guided, sliding on the free upper guide surface 14 of the guide wedge 13 , from the upper conveyor belt system 3 to the conveying track 51 .
  • the high control surface 28 of the high cam 25 of the lower cam row 2 has respectively lifted the lower conveyor belts 4 of the lower conveyor belt system 4 sufficiently so that they move, with their entire or partial thickness through the free space between two guide teeth of a comb-like embodied guide wedge 13 , or respectively between two individual guide wedges 37 to 40 , or to the left or right of these, in the direction toward the conveying track 52 .
  • the path of the signatures 6 along the lower guide surface 16 of the “teeth” or individual guide wedges 37 to 40 is temporarily blocked.
  • Both conveyor belts 3 , 4 then run above the deflection edge 12 of the “teeth” of the guide wedge 13 , or respectively the individual guide wedges 37 to 40 as seen in FIG.
  • the lower conveyor belt 4 moves with its entire or partial thickness through the free spaces enclosed on both sides by the virtual extension—viewed in the axial direction of the cam rows 1 , or respectively 2 —of the upper guide surface 14 and the lower guide surface 16 . Namely from the direction above the upper guide surface 14 and extending past the lower guide surface 16 .
  • a signature 6 , or respectively 7 , or the inner face of a conveyor belt 3 , or respectively 4 are alternatingly moved, slidingly or at a short distance of, for example, 0.1 mm, past the guide surfaces 14 , or respectively 16 , of the individual guide wedges 37 to 40 or of the guide wedge 13 .
  • a further advantage of the device of the invention also resides in that, because of the alternating passage of the conveying belts 3 , 4 through the thin end 10 of the guide wedge 13 , or respectively of the space enclosed by the virtual guide surface 19 , 24 , a front of a signature 6 , 7 cannot bump against a deflection edge 12 of the guide wedge 13 .

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
US09/463,963 1997-08-13 1998-08-13 Method for dividing the flow of signatures Expired - Fee Related US6321902B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19735051 1997-08-13
DE19735051A DE19735051C2 (de) 1997-08-13 1997-08-13 Vorrichtung zum Aufteilen eines Stromes von Signaturen
PCT/DE1998/002338 WO1999008952A1 (fr) 1997-08-13 1998-08-13 Dispositif pour partager un courant de signatures

Publications (1)

Publication Number Publication Date
US6321902B1 true US6321902B1 (en) 2001-11-27

Family

ID=7838837

Family Applications (1)

Application Number Title Priority Date Filing Date
US09/463,963 Expired - Fee Related US6321902B1 (en) 1997-08-13 1998-08-13 Method for dividing the flow of signatures

Country Status (7)

Country Link
US (1) US6321902B1 (fr)
EP (1) EP1003685B1 (fr)
JP (1) JP3323487B2 (fr)
CN (1) CN1086175C (fr)
DE (2) DE19735051C2 (fr)
ES (1) ES2165702T3 (fr)
WO (1) WO1999008952A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070257426A1 (en) * 2006-05-04 2007-11-08 Xerox Corporation Diverter assembly, printing system and method
US10131510B2 (en) 2013-10-18 2018-11-20 Ci Tech Components Ag Draw-in device for sheet-type articles

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19833290C1 (de) 1998-07-24 2000-03-23 Ims Morat Soehne Gmbh Spannungswellengetriebe mit verbessertem Pulsator
US8141873B2 (en) * 2008-05-23 2012-03-27 Goss International Americas, Inc. Method and device for a combined signature diverter and slowdown device

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3210C (de) 1900-01-01 könig & bauer, Maschinenfabrikanten, im Kloster Oberzell bei Würzburg Bogenvertheiler
DE1223682B (de) 1962-03-01 1966-08-25 Masson Scott & Co Ltd Vorrichtung zum Aussortieren von Bogen aus Papier, Pappe od. dgl.
US4373713A (en) 1980-12-24 1983-02-15 Motter Printing Press Co. Diverter mechanism
DE3424389A1 (de) 1983-08-26 1985-03-14 VEB Kombinat Polygraph "Werner Lamberz" Leipzig, DDR 7050 Leipzig Foerdersystem fuer polygraphische produkte mit eingebauter weiche
US4650174A (en) * 1982-07-16 1987-03-17 Stobb Inc. Method and system for routing a signature for stitching
EP0254037A2 (fr) 1986-07-22 1988-01-27 Quad/Tech, Inc. Dispositif pour dévier des feuilles pour collationner des cahiers et procédé pour collationner
US6145649A (en) * 1998-03-13 2000-11-14 Heidelberger Druckmaschinen Ag Device for flexible guiding of conveyed products
US6186489B1 (en) * 1999-04-06 2001-02-13 Heidelberger Druckmaschinen Ag Method and apparatus for constraining the open edge of a signature during transfer
US6213461B1 (en) * 1996-10-12 2001-04-10 Koenig & Bauer Aktiengesellschaft Device for guiding printing products

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3210C (de) 1900-01-01 könig & bauer, Maschinenfabrikanten, im Kloster Oberzell bei Würzburg Bogenvertheiler
DE1223682B (de) 1962-03-01 1966-08-25 Masson Scott & Co Ltd Vorrichtung zum Aussortieren von Bogen aus Papier, Pappe od. dgl.
US4373713A (en) 1980-12-24 1983-02-15 Motter Printing Press Co. Diverter mechanism
US4650174A (en) * 1982-07-16 1987-03-17 Stobb Inc. Method and system for routing a signature for stitching
DE3424389A1 (de) 1983-08-26 1985-03-14 VEB Kombinat Polygraph "Werner Lamberz" Leipzig, DDR 7050 Leipzig Foerdersystem fuer polygraphische produkte mit eingebauter weiche
EP0254037A2 (fr) 1986-07-22 1988-01-27 Quad/Tech, Inc. Dispositif pour dévier des feuilles pour collationner des cahiers et procédé pour collationner
US6213461B1 (en) * 1996-10-12 2001-04-10 Koenig & Bauer Aktiengesellschaft Device for guiding printing products
US6145649A (en) * 1998-03-13 2000-11-14 Heidelberger Druckmaschinen Ag Device for flexible guiding of conveyed products
US6186489B1 (en) * 1999-04-06 2001-02-13 Heidelberger Druckmaschinen Ag Method and apparatus for constraining the open edge of a signature during transfer

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070257426A1 (en) * 2006-05-04 2007-11-08 Xerox Corporation Diverter assembly, printing system and method
US7681883B2 (en) * 2006-05-04 2010-03-23 Xerox Corporation Diverter assembly, printing system and method
US10131510B2 (en) 2013-10-18 2018-11-20 Ci Tech Components Ag Draw-in device for sheet-type articles

Also Published As

Publication number Publication date
DE19735051A1 (de) 1999-02-18
EP1003685A1 (fr) 2000-05-31
CN1086175C (zh) 2002-06-12
CN1273558A (zh) 2000-11-15
EP1003685B1 (fr) 2001-11-07
DE59802083D1 (de) 2001-12-13
JP2001515003A (ja) 2001-09-18
ES2165702T3 (es) 2002-03-16
DE19735051C2 (de) 1999-06-17
WO1999008952A1 (fr) 1999-02-25
JP3323487B2 (ja) 2002-09-09

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